Keypad CPU Trip
Schneider Electric · Altistart 22 Soft Starter
¿Qué significa CPUE ?
A fault has been detected with the keypad's Central Processing Unit (CPU). This signifies a critical internal hardware failure of the keypad, preventing it from functioning correctly.
Causas comunes
- Critical internal hardware failure of the keypad's Central Processing Unit (CPU).
- Keypad firmware execution error or corrupted program memory.
- Overheating of the keypad's internal components due to poor ventilation or high ambient temperature.
- Power supply instability or voltage spikes damaging the CPU.
- Manufacturing defect or component aging leading to CPU malfunction.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
1. Perform a complete power cycle of the soft starter (power off, wait 30 seconds, power on) to attempt a CPU reset.
- 2
2. Inspect the keypad for any signs of physical damage or excessive heat discoloration on its casing.
- 3
3. Ensure the keypad is installed in an environment within its specified operating temperature range.
- 4
4. Measure the supply voltage delivered to the keypad through its communication cable (if possible) to check for stability.
- 5
5. Replace the remote keypad unit, as a CPU trip is a critical internal failure that requires hardware replacement.